85401071450 has 24 divisors (see below), whose sum is σ = 158853707712. Its totient is φ = 34158769520.

The previous prime is 85401071411. The next prime is 85401071461. The reversal of 85401071450 is 5417010458.

It is a self number, because there is not a number n which added to its sum of digits gives 85401071450.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1875857 + ... + 1920843.

It is an arithmetic number, because the mean of its divisors is an integer number (6618904488).

Almost surely, 2^85401071450 is an apocalyptic number.

85401071450 is a deficient number, since it is larger than the sum of its proper divisors (73452636262).

85401071450 is a wasteful number, since it uses less digits than its factorization.

85401071450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82966 (or 82961 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 35.

The spelling of 85401071450 in words is "eighty-five billion, four hundred one million, seventy-one thousand, four hundred fifty".